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Ma BN, Baecker D, Descher H, Brandstaetter P, Hermann M, Kircher B, Gust R. Synthesis and biological evaluation of salophen nickel(II) and cobalt(III) complexes as potential anticancer compounds. Arch Pharm (Weinheim) 2023; 356:e2200655. [PMID: 36734178 DOI: 10.1002/ardp.202200655] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Revised: 01/16/2023] [Accepted: 01/18/2023] [Indexed: 02/04/2023]
Abstract
Recent in vitro investigations of N,N'-bis(salicylidene)-1,2-phenylenediamine (SAP) iron(III) complexes substituted with alkyl (ethyl, propyl, butyl) carboxylates at position 4 in tumor and leukemia cells revealed strong cytotoxic activity. In continuation of this study, analogous nickel(II) and cobalt(III) complexes were synthesized and tested in HL-60 leukemia, and cisplatin-sensitive and -resistant A2780 ovarian cancer cell lines. The biological activity depended on the extent of cellular uptake and the formation of reactive oxygen species (ROS). Inactive [(Ni(II)SAP] complexes (1-3) only marginally accumulated in tumor cells and did not induce ROS. The cellular uptake of [Co(III)SAP]Cl complexes (4-6) into the cells depended on the length of the ester alkyl chain (ethyl, 4 < propyl, 5 < butyl, 6). The cytotoxicity correlated with the presence of ROS. The low cytotoxic complex 4 induced only few ROS, while 5 and 6 caused a good to outstanding antiproliferative activity, exerted high ROS generation, and induced cell death after 48 h. Necrostatin-1 prevented the biological effects, proving necroptosis as part of the mode of action. Interestingly, the effects of 5 and 6 were not reversed by Ferrostatin-1, but even enhanced upon simultaneous application to the tumor cells.
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Affiliation(s)
- Benjamin N Ma
- Department of Pharmaceutical Chemistry, Institute of Pharmacy, CMBI-Center for Molecular Biosciences Innsbruck, CCB-Center for Chemistry and Biomedicine, University of Innsbruck, Innsbruck, Austria
| | - Daniel Baecker
- Department of Pharmaceutical Chemistry, Institute of Pharmacy, CMBI-Center for Molecular Biosciences Innsbruck, CCB-Center for Chemistry and Biomedicine, University of Innsbruck, Innsbruck, Austria.,Tyrolean Cancer Research Institute, Innsbruck, Austria
| | - Hubert Descher
- Department of Pharmaceutical Chemistry, Institute of Pharmacy, CMBI-Center for Molecular Biosciences Innsbruck, CCB-Center for Chemistry and Biomedicine, University of Innsbruck, Innsbruck, Austria
| | - Philipp Brandstaetter
- Tyrolean Cancer Research Institute, Innsbruck, Austria.,Immunobiology and Stem Cell Laboratory, Department of Internal Medicine V (Hematology and Oncology), Medical University of Innsbruck, Innsbruck, Austria
| | - Martin Hermann
- Department of Anesthesiology and Critical Care Medicine, Medical University of Innsbruck, Innsbruck, Austria
| | - Brigitte Kircher
- Tyrolean Cancer Research Institute, Innsbruck, Austria.,Immunobiology and Stem Cell Laboratory, Department of Internal Medicine V (Hematology and Oncology), Medical University of Innsbruck, Innsbruck, Austria
| | - Ronald Gust
- Department of Pharmaceutical Chemistry, Institute of Pharmacy, CMBI-Center for Molecular Biosciences Innsbruck, CCB-Center for Chemistry and Biomedicine, University of Innsbruck, Innsbruck, Austria
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Neshat A, Cheraghi M, Kucerakova M, Dusek M, Mobarakeh AM. A Cu(II) Complex Based on a Schiff Base Ligand Derived from Ortho-vanillin: Synthesis, DFT Analysis and Catalytic Activities. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.134545] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Synthesis, Structural Characterization of a New Ni(II) Complex and Its Catalytic Activity for Oxidation of Benzyl Alcohol. BULLETIN OF CHEMICAL REACTION ENGINEERING & CATALYSIS 2022. [DOI: 10.9767/bcrec.17.2.13975.375-382] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
In ethanol-water (v:v = 1:1), a new Ni(II) complex, [Ni(L)2(H2O)2] (1) (HL = 6-phenylpyridine-2-carboxylic acid) was synthesized using 6-phenylpyridine-2-carboxylic acid, NaOH and Ni(CH3COO)2.4H2O. The structure of complex 1 has been determined by elemental analysis and single crystal X-ray diffraction. The single crystal analysis shows that complex 1 contains one Ni(II) ion, two L ligands and two coordinated water molecules. In 1, the Ni(II) ion is six-coordinated to two O atoms and two N atoms from L ligands and two O atoms from coordinated water molecules, respectively, which form a distorted octahedral coordination geometry. The whole unit of complex 1 is interconnected to each other through intermolecular N−H•••O hydrogen bonds involving oxygen atom of coordinated water molecule and the oxygen atoms of L ligand to form 1D molecular architecture. The catalytic activity of complex 1 for oxidation of benzyl alcohol with O2 was investigated. The complex 1 shows good catalytic performance for the oxidation of benzyl alcohol, the benzyl alcohol conversion, benzaldehyde selectivity, and benzaldehyde yield were 49.1%, 92.0%, and 45.2%, respectively, at 90 °C under 0.7 Mpa O2 for 2 h. Moreover, complex 1 could be recovered easily by centrifugation and used repetitively for at least four times. Copyright © 2022 by Authors, Published by BCREC Group. This is an open access article under the CC BY-SA License (https://creativecommons.org/licenses/by-sa/4.0).
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Hamaloğlu KÖ, Tosun RB, Ulu S, Kayı H, Kavaklı C, Kavaklı PA, Kip Ç, Tuncel A. Monodisperse-porous cerium oxide microspheres as a new support with appreciable catalytic activity for a composite catalyst in benzyl alcohol oxidation. NEW J CHEM 2021. [DOI: 10.1039/d0nj05367h] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Monodisperse porous ceria microspheres as a support with individual catalytic activity, facile post-functionalization and high surface area for heterogeneous catalysis.
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Affiliation(s)
| | | | - Serap Ulu
- Chemical Engineering Department
- Hacettepe University
- Beytepe
- Turkey
| | - Hakan Kayı
- Chemical Engineering Department
- Ankara University
- Beytepe
- Turkey
| | | | | | - Çiğdem Kip
- Chemical Engineering Department
- Hacettepe University
- Beytepe
- Turkey
| | - Ali Tuncel
- Chemical Engineering Department
- Hacettepe University
- Beytepe
- Turkey
- Division of Nanotechnology
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Bian R, Wang J, Xu X, Dong X, Ding Y. Investigation of mononuclear, dinuclear, and trinuclear transition metal (II) complexes derived from an asymmetric Salamo‐based ligand possessing three different coordination modes. Appl Organomet Chem 2020. [DOI: 10.1002/aoc.6040] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Ruo‐Nan Bian
- School of Chemical and Biological Engineering Lanzhou Jiaotong University Lanzhou Gansu 730070 China
| | - Ji‐Fa Wang
- School of Chemical and Biological Engineering Lanzhou Jiaotong University Lanzhou Gansu 730070 China
| | - Xin Xu
- School of Chemical and Biological Engineering Lanzhou Jiaotong University Lanzhou Gansu 730070 China
| | - Xiu‐Yan Dong
- School of Chemical and Biological Engineering Lanzhou Jiaotong University Lanzhou Gansu 730070 China
| | - Yu‐Jie Ding
- College of Biochemical Engineering Anhui Polytechnic University Wuhu 241000 China
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Pakvojoud S, Hatefi Ardakani M, Saeednia S, Heydari-Bafrooei E. Efficient, selective and mild oxidation of sulfides and oxidative coupling of thiols catalyzed by Pd(II)-isatin Schiff base complex immobilized into three-dimensional mesoporous silica KIT-6. J Sulphur Chem 2020. [DOI: 10.1080/17415993.2020.1769095] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Saeedeh Pakvojoud
- Faculty of Science, Department of Chemistry, Vali-e-Asr University of Rafsanjan, Rafsanjan, Iran
| | - Mehdi Hatefi Ardakani
- Faculty of Science, Department of Chemistry, Vali-e-Asr University of Rafsanjan, Rafsanjan, Iran
| | - Samira Saeednia
- Faculty of Science, Department of Chemistry, Vali-e-Asr University of Rafsanjan, Rafsanjan, Iran
| | - Esmaeil Heydari-Bafrooei
- Faculty of Science, Department of Chemistry, Vali-e-Asr University of Rafsanjan, Rafsanjan, Iran
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